" Jack, thank you very much. What a useful tool!"Tertius Greyling, Republic of South Africa

"Beautiful. Job well done."Brenda Morrisette, Canada

"It is anticipated that this book will soon command recognition as an engineering standard for the transcontinental mining community."PEO/OSPE, Canada

"The book is quite useful and reading it is absolutely interesting. Thank you very much for helping us in finding
the best way to find the right words." Carlos Arias G., Chile

"The word that comes to mind to qualify the undertaking of such a task such as writing a dictionary is 'commendable,' particularly in the technical field where 'plenty of information' is a phrase that is seldom heard." American Translators Association, USA